Add a Python test to the smtk::model module.

smtk/CMakeLists.txt

@@ -108,6 +108,7 @@ if(SMTK_BUILD_PYTHON_WRAPPINGS AND Shiboken_FOUND)
   if(SMTK_ENABLE_TESTING)
     get_filename_component(SHIBOKEN_LIBRARY_PATH ${SHIBOKEN_LIBRARY} PATH)
     add_subdirectory(attribute/PythonTesting)
+    add_subdirectory(model/PythonTesting)
     add_subdirectory(view/PythonTesting)
   endif(SMTK_ENABLE_TESTING)
 

smtk/model/PythonTesting/CMakeLists.txt

+set(smtkModelPythonTests
+  modelBodyCreate
+)
+
+find_package( PythonInterp 2.7 )
+
+if( PYTHONINTERP_FOUND )
+  set(LIB_ENV_VAR "")
+  if(APPLE AND UNIX)
+    set(LIB_ENV_VAR "DYLD_LIBRARY_PATH=${SHIBOKEN_LIBRARY_PATH}")
+  elseif(UNIX)
+    set(LIB_ENV_VAR "LD_LIBRARY_PATH=${SHIBOKEN_LIBRARY_PATH}")
+  endif()
+  set(SHIBOKEN_SMTK_PYTHON "")
+  if(UNIX)
+    set(SHIBOKEN_SMTK_PYTHON "${CMAKE_BINARY_DIR}:${SHIBOKEN_LIBRARY_PATH}")
+  endif()
+
+  foreach (test ${smtkModelPythonTests})
+    add_test(${test}Py ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/${test}.py)
+    set_tests_properties(${test}Py
+      PROPERTIES
+        ENVIRONMENT "PYTHONPATH=${SHIBOKEN_SMTK_PYTHON};${LIB_ENV_VAR}"
+    )
+  endforeach()
+else()
+  message("could not find python interp")
+endif()

smtk/model/PythonTesting/modelBodyCreate.py

+"""
+Demonstrate model construction from within Python.
+"""
+
+import os
+import smtk
+
+if __name__ == '__main__':
+  import sys
+  status = 0
+  try:
+    region = smtk.model.Link(smtk.model.CELL_ENTITY, 3)
+    f1 = smtk.model.Link(smtk.model.CELL_ENTITY, 2)
+    f2 = smtk.model.Link(smtk.model.CELL_ENTITY, 2)
+    f3 = smtk.model.Link(smtk.model.CELL_ENTITY, 2)
+    f4 = smtk.model.Link(smtk.model.CELL_ENTITY, 2)
+    mb = smtk.model.ModelBody()
+    u01 = mb.addLink(f1)
+    u02 = mb.addLink(f2)
+    u03 = mb.addLink(f3)
+    u04 = mb.addLink(f4)
+    region.appendRelation(u01).appendRelation(u02).appendRelation(u03).appendRelation(u04)
+    u00 = mb.addLink(region)
+    # Now verify that the faces refer back to the volume:
+    status = 0 if mb.findLink(u01).relations()[0] == u00 else 1
+  except Exception, ex:
+    print 'Exception:'
+
+    exc_type, exc_obj, exc_tb = sys.exc_info()
+    fname = os.path.split(exc_tb.tb_frame.f_code.co_filename)[1]
+    print
+    print 'Exception: ', exc_type, fname, 'line', exc_tb.tb_lineno
+    print
+    print ex
+    print
+    status = -1
+
+  sys.exit(status)